Globe-valve construction.



I. C. COLTRIN.

GLOBE VALVE consmucnow.

APPLICATION FILED MAR. 25' I9I5.

Patented Nov. 16, 1915.

W 7 J.IC.COLTRIN JOHN C. COLTBIN, OF LUCAS, KANSAS;

GLOBE-VALVE CONSTRUCTION.

Specification of Letters Patent.

PatentedtNov. 16, 1915'.

Application filed March 25, 1915. Serial No. 17,003.

novel features of construction whereby the valve can be easily and quickly reground at any time without the necessity of taking it apart.

Further objects of the invention are to provide a globe valve of this character which is comparatively simple and inexpensive in its construction, which can be used in the same manner as an ordinary valve, which can be quickly ground to produce a tight seating of the valve without the necessity of taking the valve apart, and which is strong and durable in its construction and will successfully withstand the hard usage to which such devices are subjected when in use.

With these and other objects in View, the

invention consists in certain novel combinations and arrangements of the parts as will more fully appear as the description proceeds, the novel features thereof being pointed out in the appended claims.

For a full understanding of the invention, reference is to behad to the following description and accompanying drawing, in which Figure 1 is a vertical longitudinal sectional view of a globe valve constructed in accordance with the invention, the position normally assumed by the parts being shown by full lines, while the position assumed by the parts when grinding the valve is indicated by dotted lines. Fig. 2 is a transverse sectional view through the valve on the line 22 of Fig. 1. Fig. 3 is a top plan view of the valve. Fig. 4; is a vertical longitudinal sectional view through a modified form of the invention. Fig. 5 is a transverse sectional view through the modified form on the line 5 5 of Fig. 4. Fig. 6 is a top plan view of the modified form of the valve.

Corresponding and like parts are referred to in the following description and indicated in all the views of the drawings by the same reference characters.

Specifically describing the present embodiment of the invention, the numeral 1 designates the main casing of the globe valve which is provided upon one side thereof with an inlet opening 2, and upon the opposite Side thereof with an outlet opening 3. The usual drain cock 1 is provided at the base of the casing 1, while a neck 5 projects upwardly from the top thereof. The internal diaphragm 6 is of the usual constructlon, being provided with a valve seat 7 which is arranged directly under the neck 5. The said neck 5 is preferably formed as .a separate piece and detachably applied to the casing 1 being shown in the present instance as formed with a threaded end 5 which is screwed into the top of the valve casing and a shoulder 5 which engages the top of the valve casing when the neck is properly seated in position. v

Mounted within the neck 5 so as to be susceptible of having both a rotary and a sliding movement therein is a sleeve 8 which is internally threaded for engagement with the enlarged threaded intermediate portion 9 of the valve stem 9. This valve stem is connected at its lower end by the usual swivel joint 10 to a valve 11 adapted toengage the 'valve' seat 7, while the upper end of the valve stem projects upwardly above I the neck 5 where it is provided with the usual handle 12. A cap or packing ring 13 is threaded upon the upper end of the neck 5 and packing 14 is fitted around the valve stem 9 between the upper end of the neck 5 and the cap 13 so as to be closely compressed around the valve stem and form a tight joint when the cap is screwed down into position.

The sleeve 8 is provided at various points in the side thereof with lateral openings 15, any one of which is adapted to receive the end of a set screw 16 which is threaded in one side of the neck 5 and provided at its outer end with a finger piece or wing 17. When the set screw 16 is tightened the sleeve 8 is securely locked against both rotary and sliding movement within the neck 5, so that the valve 11 can be opened and closed in the usual manner by turning the handle 12. The lower end of the sleeve 8 is provided with downwardly projecting prongs 18 adapted to engage recesses 19 in the top of the valve 11 when the latter,- is moved into engagement therewith. When it is desired to grind the valve, the handle 12 is rotated and the valve 11 lifted until the prongs 18 are firmly seated within the recesses 19 in the top of the valve 11.' The set screw 16 is then loosened and the sleeve 8 and valve 11 moved downwardly together until the valve 11. engages the valve seat. The action of the prongs 18 serve to lock the valve, Valve stem, and sleeve together so thatby. applying pressure to the handle 12 and rotating the same back and forth the valve can be ground. Should 'a-mass of scale, a piece of straw, or a piece of gravel become lodged under the valve at. any time so as to interfere with a proper seatingthereof, the difiiculty can be readily remedied by grinding the valve in the manner set forth above. There is no necessity for taking the valve apart and the grindingcan be very quickly performedwithout the use of any tool whatever. After the grinding has been completed the sleeve 8 is drawn upwarly into the, neck 5 and locked in position therein by tightening the set screw 16, the extremity thereof being caused to enter one of the openings 15. A jam nut 16 may be applied to the set screw 16 for the purpose of locking the same in an adjusted position and preventing the set screw from working loose.

A slight modification is shown by Fig. 4, in which the sleeve 8 is mounted within the neck 5 in substantially the same manner as previously described, so as to have both a sliding and a rotary movement therein.

The lower end of the sleeve 8" is provided with prongs 18 adapted to engage wings 19 on the valve 11". A spring actuated plunger 21 is substituted for the set screw 16. A coil spring 22 normally tends to force the plunger inwardly into operative position, and the other end of the plunger is provided with a suitable fingerpiece 23 for convenience in manipulating the same. The sleeve 8 is provided at an intermediate point-in its length with an exterior annular groove 24 having a series of depressions or seats 25 in the base thereof. The inner end of the spring plunger 21 is normally seated, within one of the depressions 25 so as to lock the sleeve 8" against either a sliding or a rotary movement within the neck 5.

' The valve 11 can then be opened and closed by rotating the handle back and forth in the" usual manner.

Should it become necessary to grind the valve, the valve 11 would be screwed upwardly until the wings 19 interlocked with the prongs 18 of the sleeve 8 in such a manner as to lock the valve, valve stem, and

' sleeve together in a substantially unitary structure. The sleeve 8 would then be moved downwardly in the neck 5- until the valve engaged the valve seat. The desired can be seated bya proper rotation of the handle 12, and then openend and closed in the usual manner. With the use of the spring actuated plunger 21 in combination with the annular groove 24 and the recesses 25 at the base thereof, nodifliculty is occasioned in causing the inner end of the plunger to engage one of the recesses 25 to lock the sleeve 8 against movement, The grinding can thus be very quickly accomplished without the use of any tool, so that there is no excuse for having'a leaky and imperfectly seated valve.

Having thus described the invention, what I claim as new and desire to secure by Letters Patent, is

1. A valve including a casing formed with a valve seat and a neck, a sleeve mounted within the neck so as to be susceptible of. both arotary and a sliding movement therein, a valve stem threaded within the sleeve, a valve loosely connected to the valve stem and adapted to engage the valve seat, means for locking the sleeve in position within the neck, and means for locking the valve to the sleeve when brought upwardly into a forcible engagement therewith, the sleeve bein released when it is desired to grind the va ve.

2. A valve including'a valve casing provided with a valve seat and a neck, a sleeve mounted within the neck and susceptible of having botha rotary and a sliding movement therein, means for locldng the sleeve against movement, a valve stem threaded within the sleeve, a valve loosely connected,

to theinner end of the valve stem, prongs projecting from the sleeve and adapted to interlock with the valve when the latter is moved into a forcible engagement therewith, the sleeve bein released when'it is desired to grind the va' ve. 1

3. A valve including a valve casing provided with a valve seat and a neck, a sleeve fitted within the neck and susceptible of having both aslidingand a rotary movement therein, means for locking the sleeve.

against movement, a valve stem threaded within the sleeve, a valve having a swivel connection to the inner end of the valve stem and adapted to engage the valve seat, prongs projecting from the sleeve, and wings upon the valve adapted to interlock with the prongs when the valve is moved upwardly against the same, the sleeve being released when it is desired to grind the valve.

4. A valve including a valve casing provided with a valve seat and a neck, a sleeve mounted within the neck and susceptible of both a rotary and a sliding movement therein, said sleeve being provided with a series of outwardly facing openings, a locking member extending through the neck and adapted to engage any selected one of the openings to hold the sleeve against movement, a valve stem threaded within the sleeve, a valve member swiveled to the inner end of the valve stem and adapted to engage the valve seat, and means for producing an interlocking connection between the valve and the sleeve when the former is moved upwardly to the limit of its movement, the sleeve being released when it is desired to grind the valve.

5.YA valve including a valve casing provided with a valve seat and a neck, a sleeve mounted within the neck so as to have both a sliding anda rotary movement therein, said sleeve being formed with an exterior annular groove having a series of recesses in the base thereof, a spring actuated plunger passing through the neck and adapted to enter the annular groove of the sleeve upon a longitudinal movement thereof, and to then enter one of the recesses upon a rotary movement thereof to lock the sleeve against further movement, a valve swiveled to the inner end of the valve stem and adapted to engage the valve seat, and means for producing an interlocking connection between the valve and the sleeve when the former is moved upwardly to the limit of its movement, the sleeve being released when it is desired to grind the valve.

6. A valve including a casing provided with an interior diaphragm having a valveseat therein, a neck projecting from the valve casing and having an opposed relation to the valve seat in the diaphragm thereof, a sleeve loosely mounted within the neck so as to have both a sliding and a rotary movement therein, said sleeve being provided upon the exterior thereof with a series of depressions, a spring actuated plunger passing through the neck and adapted to engage one of the depressions of the sleeve to lock the sleeve against movement, a valve stem passing through the sleeve and having a threaded engagement therewith, a val e swiveled to the inner end of the valve stem, and projections upon the sleeve adapted to'engage the valve to produce an interlocking connection therewith when the valve is moved upwardly to the limit of its movement, the sleeve being released and the valve locked with the sleeve when it is desired to grind the valve.

In testimony whereof I aflix my signature in presence of two witnesses.

.' JOHN C. COLTRIN.

Witnesses:

C. H. MERRIWEATHER, R. T. FOWLER. 

